APA

Gregory E. N., Slater G., Woodley C. C., Slaer G., Transportation Research Board N. R. C. W. D., American Association of State Highway and Transportation Officials & Federal Highway Administration. (1989). Welded repair of cracks in steel bridge members. Washington, DC: Transportation Research Board.

Chicago

Gregory E N, Slater Graham, Woodley Chris C, Slaer G, Transportation Research Board National Research Council Washington D.C, American Association of State Highway and Transportation Officials and Federal Highway Administration. 1989. Welded repair of cracks in steel bridge members. Washington, DC: Transportation Research Board.

Harvard

Gregory E. N., Slater G., Woodley C. C., Slaer G., Transportation Research Board N. R. C. W. D., American Association of State Highway and Transportation Officials and Federal Highway Administration. (1989). Welded repair of cracks in steel bridge members. Washington, DC: Transportation Research Board.

MLA

Gregory E N, Slater Graham, Woodley Chris C, Slaer G, Transportation Research Board National Research Council Washington D.C, American Association of State Highway and Transportation Officials and Federal Highway Administration. Welded repair of cracks in steel bridge members. Washington, DC: Transportation Research Board. 1989.